Решите плиз СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

Решите плиз СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Comments

Номер какой?

Answer 1

9(16-24x+9x^2)-4(4x^2+4x+1)=144-216x+81x^2-16x^2-16x-4=65x^2-232x+140

3(12a+9-16a^2-12a)+2(4a^2+12a-9=48a^2+27+8a^2+24a-18=56a^2+24a+9